Synthesis and Characterization of Nickel Oxide Nanostructures for Electrochemical Analysis of Methotrexate (Saeed Ahmed Lakho, Mansoor Ahmed, Muhammad Waseem Akhtar, Madan Lal, Ubed-Ur-Rahman Mughal, Umair Aftab, Zafar Hussain Ibupoto, & Saba Naz, Trans.). (2021). Pakistan Journal of Analytical & Environmental Chemistry, 22(2), 273-279. https://doi.org/10.21743/pjaec/2021.12.06